
<table style="text-align:center"><tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"></td><td colspan="6">Main effect models</td></tr>
<tr><td></td><td colspan="6" style="border-bottom: 1px solid black"></td></tr>
<tr><td style="text-align:left"></td><td colspan="2">Participation</td><td colspan="2">Affective polarization</td><td colspan="2">Attitude extremity</td></tr>
<tr><td style="text-align:left"></td><td>(1)</td><td>(2)</td><td>(3)</td><td>(4)</td><td>(5)</td><td>(6)</td></tr>
<tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">National news exposure</td><td>0.007</td><td>0.002</td><td>0.0004</td><td>0.001</td><td>-0.022</td><td>-0.020</td></tr>
<tr><td style="text-align:left"></td><td>(0.070)</td><td>(0.070)</td><td>(0.029)</td><td>(0.029)</td><td>(0.034)</td><td>(0.034)</td></tr>
<tr><td style="text-align:left"></td><td></td><td></td><td></td><td></td><td></td><td></td></tr>
<tr><td style="text-align:left">Local news exposure</td><td></td><td>0.141</td><td></td><td>-0.009</td><td></td><td>-0.057<sup>*</sup></td></tr>
<tr><td style="text-align:left"></td><td></td><td>(0.076)</td><td></td><td>(0.024)</td><td></td><td>(0.027)</td></tr>
<tr><td style="text-align:left"></td><td></td><td></td><td></td><td></td><td></td><td></td></tr>
<tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">Observations</td><td>1,480</td><td>1,480</td><td>2,113</td><td>2,113</td><td>2,212</td><td>2,212</td></tr>
<tr><td style="text-align:left">R<sup>2</sup></td><td>0.00001</td><td>0.005</td><td>0.00000</td><td>0.0001</td><td>0.0003</td><td>0.003</td></tr>
<tr><td style="text-align:left">Adjusted R<sup>2</sup></td><td>-1.001</td><td>-0.995</td><td>-0.539</td><td>-0.540</td><td>-0.503</td><td>-0.499</td></tr>
<tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"><em>Note:</em></td><td colspan="6" style="text-align:right"><sup>*</sup>p<0.05; <sup>**</sup>p<0.01; <sup>***</sup>p<0.001</td></tr>
</table>
